/*
 * Copyright 2014-2018 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package de.codecentric.boot.admin.server.web.client;

import de.codecentric.boot.admin.server.domain.entities.Instance;

import java.util.Collection;
import org.springframework.http.HttpHeaders;

public class CompositeHttpHeadersProvider implements HttpHeadersProvider {

    private final Collection<HttpHeadersProvider> delegates;

    public CompositeHttpHeadersProvider(Collection<HttpHeadersProvider> delegates) {
        this.delegates = delegates;
    }

    @Override
    public HttpHeaders getHeaders(Instance instance) {
        HttpHeaders headers = new HttpHeaders();
        delegates.forEach(delegate -> headers.addAll(delegate.getHeaders(instance)));
        return headers;
    }
}
